Torchvid

Utilities for loading videos into Torch using FFmpeg libraries.

local torchvid = require('torchvid')

local video =
  torchvid.Video.new('./centaur_1.mpg'):filter('yuv444p', 'scale=160x120,vflip')

local yuv_tensor = video
  :next_image_frame()
  :to_float_tensor()

Installation

Dependencies

• Torch
• pkg-config
• FFmpeg development libraries

In Ubuntu you can download the non-Torch dependencies with the following command:

apt-get install \
    pkg-config \
    libavformat-ffmpeg-dev \
    libavcodec-ffmpeg-dev \
    libavutil-ffmpeg-dev \
    libavfilter-ffmpeg-dev

Building and installing Torchvid

git clone https://github.com/anibali/torchvid.git /tmp/torchvid
cd /tmp/torchvid
luarocks make rockspecs/torchvid-scm-0.rockspec
rm -rf /tmp/torchvid